A memristor-based competitive decision neuromorphic circuit system

By designing a memristor-based competitive decision-making neuromorphic circuit system, the problems of lack of physical competition mechanism and dynamic time delay characteristics in the existing technology are solved. This enables multi-level evaluation of multimodal danger signals and biomimetic simulation of biological neural networks, thereby improving the intelligence and adaptability of the biomimetic system.

CN122414282APending Publication Date: 2026-07-17ANHUI UNIV
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Patent Information

Application Number
CN202610388058.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing memristor-based decision-making or emotion generation circuits lack a real physical competition mechanism when dealing with complex multiple stimulus conflicts and behavioral pattern switching. They cannot simulate the competitive and smooth switching in biological neural networks, nor can they reflect dynamic time delay characteristics and long-term memory, which limits the ability of bionic circuits to achieve intelligent interaction and environmental adaptability.

Method used

A competitive decision-making neuromorphic circuit system based on memristors was designed, including a danger detection module, a mode switching module, and a feedback module. The system utilizes the resistance change of the memristor to simulate the competitive mechanism of biological neural networks. Dynamic decision-making and long-term memory are achieved through signal integration, multi-level comparison, and feedback modulation, simulating the adaptive behavior of organisms when facing complex environments.

Benefits of technology

It achieves multi-level fusion assessment of multimodal hazard signals, simulates competitive smooth switching and long-term memory in biological neural networks, improves the intelligence and adaptability of biomimetic systems in complex environments, and enhances rapid response and adaptive learning characteristics to environmental threats.

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Abstract

本发明公开一种基于忆阻器的竞争性决策神经形态电路系统,属于神经形态电路技术领域;包括依次连接的危险检测模块、模式转换模块和反馈模块;危险检测模块利用RC积分器及受控开关矩阵将分级电压施加于第一忆阻器,利用其阻值下降速率差异输出响应延迟不同的危险信号;模式转换模块通过受控晶体管桥向第二、第三忆阻器施加正电压,模拟神经通路突触权重竞争并输出模式信号;反馈模块接收模式信号并驱动第四忆阻器阻值随时间下降以形成长期记忆,产生的反馈信号逆向调节危险检测阈值及模式切换速率;本发明实现了具备威胁越大响应越快、警惕性增高及内驱力补偿特性的自适应智能决策,具有低功耗、高实时性及生物可解释性。
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